Photo

Soldiers of the Army Old Guard Task Force Christman use Apple iPhone's to photograph and catalog more than 219,00 grave markers and the front of more than 43,000 sets of cremated remains at Arlington National Cemetery in Arlington, Va., Wednesday, Aug. 24, 2011. Night after night this summer, troops have left their immaculately pressed dress blues, white gloves and shiny black boots, photographing each and every grave with an iPhone. (AP Photo/Cliff Owen)
/ AP